<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
    </head>
    <body>

        <div id="app">
            <span v-bind:title="message">
                鼠标悬停查看动态提示信息
            </span>
        </div>
        <script src="https://cdn.jsdelivr.net/npm/vue@2.5.21/dist/vue.min.js"></script>
        <script>
            var vm=new Vue({
                el:"#app",
                data:{
                    message:"hello,vue!"
                }
            });
        </script>
    </body>
</html>